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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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Add m-esr52 at 52.6.0
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diff --git a/js/src/doc/lib/common.sh b/js/src/doc/lib/common.sh
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+# Common utility functions for js/src/doc scripts.
+
+# `relative BASE ABSOLUTE` prints the URL relative to BASE that is
+# equivalent to ABSOLUTE. BASE must end with a '/'. This function will
+# introduce at most one level of '..'.
+relative() {
+ local parent=$(dirname "$1")
+ case "$2" in
+ "$1"*)
+ # ABSOLUTE is within BASE; just remove BASE.
+ echo "$2" | sed -e "s|^$1||"
+ ;;
+ "$parent/"*)
+ # ABSOLUTE is within BASE/..
+ echo "$2" | sed -e "s|^$parent/|../|"
+ ;;
+ *)
+ # ABSOLUTE is unrelated to BASE.
+ echo "$2"
+ ;;
+ esac
+}
+